Abstract: A concise and accurate distilled summary of the contents of a document without added interpretation or criticism. Usually found at the beginning of a document or separated from it.

Annotation: A note added to the bibliographic citation to be used as a comment or an explanation.

Extract: One or more portions of the document selected to represent the whole document.

Summary: Discussion or restatement, within the document, of the most important findings and conclusions of the document.

Terse Conclusion: One sentence that captures the main point.

Indicative Abstracts describe what the document is about, like a table of contents in sentence format.

Informative Abstracts present as much quantitative and qualitative data as possible. They give the upshot of the story.

Critical Abstracts make a value judgment or editorial comment on the document.

Slanted Abstracts highlight or concentrates on selected portions of the document

Structured Abstracts are written according to a certain structure rather than as a narrative text.

Critical: 6. What flaws or innovations were in this endeavor?

Critical: 7. How does it compare to other endeavors like it?

Critical: 8. What do I (the reviewer/abstractor) think of it? e.g. how does it affect my organization?

Slanted: 9. How does a selected aspect of it affect my organization?