All 3 Uses of

resume
in
A Prayer for Owen Meany

Only when he'd resumed normal breathing did he announce his opinion of the room's occupant—as either happy or unhappy with the academy; as possibly troubled by distant events at home, or in the past.†
p. 159.1

resumed = began again

Less than a month after the New Year—after we had resumed our bombing of North Vietnam and Operation Rolling Thunder was back on target—Mrs.†
p. 474.2 *

We could drive along this strip only two or three times before a cop would motion us over to the side of the street, examine Owen's driver's license—in disbelief—and then suggest that we find a place to park the truck and resume our looking at girls on foot, on either the boardwalk or on the sidewalk that threaded the arcades.†
p. 289.5

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.