A bibliography is a collection of citations from books, articles, documents, etc. used in a research project. Bibliographies are constructed using a specific citation style (MLA, APA, Chicago, etc.).
To annotate your bibliography, means to provide a brief summary or assessment of the resource.
An annotated bibliography is an excellent way for you to critically analyze the content of a resource in a condensed fashion, typically from a few sentences to a few paragraphs, to aid in your own understanding of their resources, as well as provide important information to readers.
Here are some questions to consider as you read resources for your research:
Questions adapted from: Finding Resources Annotated Bibliography Fishbowl Lesson Plan https://www.projectcora.org/assignment/finding-sources-and-annotated-bibliography-fish-bowls
Ehrenreich, B. (2001). Nickel and dimed: On (not) getting by in America. New York, NY: Henry Holt and Company.