Reading is a highly subjective and personal experience: it's determined by objectives, time, preference, resources. Therefore ...

With a longer text you might find colour coding a helpful way to annotate various themes. Key fact Avoid making so many annotations that you can no longer read the text! Be selective, and pick out ...

Don't annotate in a way that distracts attention from the work, eg by writing over an area of a drawing in large text. Don't use annotations to label obvious things, eg ‘oil pastel drawing of a ...