Solutions A short summary has 15 entries with similar clues

• 4-letter words
• tldr"Here's a shorter summary," on internet forums
• 5-letter words
• recapSummary of main points
• blurbShort summary on a book jacket
• 6-letter words
• resumeSummary
• precisMake a summary
• 7-letter words
• roundupA summary
• outlineSummary
• 8-letter words
• synopsisBrief summary
• abstractSummary
• 9-letter words
• wish-listSummary of desired items or actions
• digestivei have to follow summary relating to breakdown
• 10-letter words
• conspectusA summary of a subject
• 11-letter words
• run-throughA brief summary
• 12-letter words
• aide-memoireSummary
• 17-letter words
• mission-statementA summary of the aims and values of an organisation