3. DOCUMENT DESIGN

3.2 Headings

Headings are standard features of technical documents that serve several important functions:

  • Provide organizational overview of the document
  • Show logical development of ideas
  • Show hierarchical relationship of ideas (headings, sub-headings)
  • Allow the reader to scan and read selectively
  • Increase readability of the document by providing breaks and white space.

Effective headings use concrete, descriptive language to tell the reader what to expect from the content of each section. Avoid “function” headings when writing technical reports. Function headings are used in documents that have consistent structures, such as science lab reports, when each section must fulfill a particular function. For example,

  1. Introduction
  2. Materials
  3. Procedure/Methodology
  4. Data/Results
  5. Discussion/Conclusions
  6. References

Technical reports are usually not so strictly organized or predictable.  Readers will find it much more helpful if headings concretely describe the content of each section rather than the function.

Note the differences in the two Tables of Contents in Figure 3.2.1, each generated automatically from headings within their respective documents. Which one gives a clear idea of the content of the report?

the box on the left shows a table of contents using only function based headings (Introduction, Problem Definition, Proposed Solution, Benefits, Conclusion, Recommendation, References. Table 1. Figure 1. The box on the right contains a table of contents using descriptive headings and captions: Ski Lift Safety Issues, Deropement Problems in Tow Lifts, Propsed Rope Catcher Solution, Benefits of Implementation, Resolving the Safety Issues, Recommendation, References. Table 1. Cost breakdown for one tower installation. Figure 1. Proposed Retainment Device
Figure 3.2.1 Function-based vs Descriptive Headings. [Image description]

General Principles for Designing Headings

When designing the headings in your document, keep in mind these general principles:

  • Hierarchical Relationship of Ideas: use font size, boldness, typography and color to indicate the relative importance of ideas and how they inter-connect. In general, first level headings are larger and bolder than second and subsequent level headings.
  • Consistency: if you use headings, every section must have a heading. Make sure your headings at each level are consistent in design (font, size, color, indentation, etc.) Use the STYLES function in Word to help design and maintain effective and consistent headings throughout your document. Use consistent, parallel phrasing as well.
  • Readability: leave passive space above and below headings. There should always be slightly more space above the heading than below it. As a general guideline, use 2-4 headings per page in short reports. Avoid overusing headings.
  • Specificity: use descriptive headings that inform the reader of the content of each section. Avoid vague headings, and avoid using too many headings. Headings may use a numeric system, if there are many sub-sections. According the Engineering Work Term Report Guideline (pdf), headings may be numbered using Arabic numerals only—not Roman Numerals or letters.
SUMMARY:  DO and DON’T rules when designing headings

DO the following:

  • Use a sans serif font for your headings
  • Use descriptive (rather than functional) headings
  • Make sure there is slightly more white space above a heading than below it
  • A heading must have a block of text below it.

DON’T do the following:

  • Do not “stack” headings. Avoid stacking one heading directly below another. A heading is like a chapter title; it must have at least a sentence of information below it.  Stacked headings can indicate inefficient organization of information.
  • Do not overuse headings. Keep in mind that every sentence does not require its own heading, nor does every paragraph. Ideally, a heading should have at least one, often several, paragraphs of text below it. A heading defines a SECTION of the document. Overuse of headings indicates an inefficient organization of ideas that needs revision.
  • Do not use a heading to introduce a table, figure, or list. You must have text below a heading that introduces and explains the figure or table. A list requires a lead-in sentence to explain what this is a list of.
  • Avoid creating “lone headings” at any level of your document. In the example below, there are 2 first-level headings, 2 second-level headings, and 2 third-level headings. Having only one heading at a level is like having only one item in a list. Try to avoid it.
  • Avoid creating “widows and orphans” by leaving a heading at the bottom of the page with no body text below it. Insert a hard page break before your heading to avoid this.
  • Don’t refer to a heading as “this” in the body text below it. Begin your sentence as if the heading were not there. Never start a new section with a pronoun that refers to a previous idea.

The examples below illustrate the use of heading sizes and font types, with numbered headings and without, to show the relationship of ideas within the report. The headings were created using the Styles option in Word.

Level One Headings

First level headings should be the largest, and should be bolded. You might consider using ALL CAPS, but avoid this if the headings are along.

Level Two Headings

Second level headings should be slightly smaller or in some way distinguished from first level headings. You might consider indenting the heading and aligning the subsequent blocks of text.

Level Three Headings

Third level headings, if you use them should be further distinguished by smaller size, italicizing, and/or indenting them. And so on…

Using the Styles function in Word, as well as the Document Elements, allows you to auto-create a table of contents from the headings in your documents. These will automatically update as you revise your document and add sections, which will save you considerable time in the long run. Similarly, you can also create an automatic Table of Figures if you use the Caption function. Learning how to use these formatting tools will make your report writing much easier, and will allow you combine sections written by different team members easily and effectively. Use the tutorials in Word, or search for current online video tutorials showing how to use these tools.

1. Straw Bale Construction

Under this first level heading you will find text all about straw bale construction. It will go on for several lines. If there is a Section numbered “1”, there will also be a 2. Section. Avoid lone headings.

1.1. Post and Beam with Straw Bale Infill

This section may align directly under the previous heading, or be indented.

This will not be a lone heading; this section will have a more than one heading at this level (1.2 and maybe a 1.3).

1.1.1. Relevance

This third level heading is indented, and smaller or in italics to set it off from second level heading. Again, if you have a number 1.1.1 heading, you should have a number 1.1.2, etc.

1.1.2. Additional Third Level Heading

Text should added below each heading. Avoid stacked headings.

1.2. Additional Second Level Heading

Text, text text

2. Cinder Block Construction

More text… Make sure that you do not stack headings one on top of the other.

EXERCISE 3.2 Review questions

Answer the following review questions:

  1. As a guideline, how many headings should you use per page?
  2. What is an acceptable size range and font style for headings?
  3. What are “widows and orphans” in the context of document design?
  4. What are several purposes that headings can have in a document?
  5. What are “lone headings”? Should you use them?
  6. What are “stacked headings?”  Should you use them?
  7. What is the difference between a “function” heading and a concrete or “descriptive” heading?
  8. True or False: You should have more white space above a heading than below it.
  9. True or False: A heading can be used to introduce a figure or a list.

Further practice: 

Review a document you have written, such as a research essay, and see if you can divide it into logical sections introduced by concrete, descriptive headings.

Review the Headings PowerPoint.

Image descriptions

Figure 3.2.1 image description:

Function-based headings:

  • Introduction
  • Problem Definition
  • Proposed Solution
  • Benefits
  • Conclusion
  • Recommendation
  • References
  • Table 1
  • Figure 1.

Descriptive headings:

  • Ski Lift Safety Issues
  • Deropement Problems in Tow Lifts
  • Proposed Rope Catcher Solution
  • Benefits of Implementation
  • Resolving the Safety Issues
  • Recommendation
  • References.
  • Table 1. Cost breakdown for one tower installation.
  • Figure 1. Proposed Retainment Device

[Return to Figure 3.2.1]

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Technical Writing Essentials by Suzan Last is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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