All 3 Uses of

resume
in
I Know Why the Caged Bird Sings

Then she turned back to the Store and resumed, "Glory, glory, hallelujah, when I lay my burden down."†
p. 33.9 *

resumed = began again

When the spring classes began, I resumed my commitment with formal education.†
p. 270.7

He never waited to hear my answer, which was "Yes, sir," before he'd resume his conversation with Bailey.†
p. 57.7

Definitions:

(1) (resume as in: resume the meeting)
begin or take again

This sense of resume generally means to begin again or continue after a pause. In usage like, "resumed her seat", it scan also mean to take again.
(2) (résumé as in: submitted her résumé)
a brief summary of a person's qualifications to do something -- typically submitted with an employment application

In practice, résumé is often written without the accented e's.
(3) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Less commonly, résumé can refer to any summary.