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Step one: fix the entry anatomy
Decide what every entry must contain before writing any of them. A dependable anatomy has a term, a one-sentence definition beginning with the term's plain meaning, a short example in context, and two or three related terms. Add an optional field for common confusions. Worked example for a home-budgeting glossary: the term is 'Sinking fund'; the definition is a savings pot built gradually for a known future expense; the example is setting aside a fixed monthly amount for car repairs; related terms are emergency fund and budget category. Keep definitions under thirty words so readers can scan quickly.
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Step two: design the alphabet navigation
Navigation is the feature readers use most, so settle it early. Provide a letter bar at the top of the index and repeat it at the bottom of long pages. Show letters with no entries as inactive rather than hiding them, which makes coverage honest and signals gaps you plan to fill. Decide whether each term gets its own page or whether letters share one page; separate pages suit longer explanations, while shared pages suit quick lookups. In the budgeting example, 'Sinking fund' would sit under S, with anchors so related entries link directly without forcing readers to scroll.
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Step three: set review and update rules
A glossary loses value when definitions drift or links break, so write maintenance rules into the template. Add a last-reviewed date, a named owner for each entry, and a simple check: does the definition still match current usage, and do related links still lead somewhere useful? Create a small queue for reader suggestions and decide how often it is reviewed. For the budgeting example, a quarterly pass could confirm that terms such as sinking fund remain accurate and that new terms readers ask about are drafted in the same anatomy, keeping the collection consistent as it grows.