After twenty-five years of graduation, from a large group of strangers, a student is able to correctly identify photographs of students with whom she attended and completed her high school. This type of learning belongs to the category of

Identifying known faces among strangers is recognition.

Recognition matches a present stimulus to a stored memory.

Recall reproduces information without a cue present.

Common sense is practical judgement, not a memory measure.

Eidetic imagery is vivid, photograph-like retention of an image.

Recognition is generally easier than recall.