1. Use as few tags as possible.

2. Limit yourself to a self-defined set of tags.

3. Tags within your set must not overlap.

4. By convention, tags are in plural.

5. Tags are lower-case.

6. Tags are single words.

7. Keep tags on a general level.

8. Omit tags that are obvious.

9. Use one tag language.

10. Explain your tags.

• https://www.ultratechnology.com/1xforth.htm

Don't leave openings in which you are going to insert code at some future date when the problem changes because inevitably the problem will change in a way that you didn't anticipate. Whatever the cost it's wasted. Don't anticipate, solve the problem you've got.