In this excerpt, Jackie Robinson references the treatment that has been accorded to African Americans throughout the history of the United States. What Robinson is referencing is the discrimination and bigotry that African Americans have had to tolerate. He implies that it is unfair to ask African Americans to remain patient after they have had to deal with all these problems throughout the years.
According to <em>Dictionary.com</em>, "Annotating is to add notes to ( a text / diagram ) giving a comment and / or explanation." This means adding notes is basically typing and / or writing. ( most likely writing ) Adding notes in annotating is also like writing down your thoughts about the thing you are reading / writing.
