2 —1 use as in: trace the origin or developmentDefinition
to find, search, research, or keep track of
This sense of trace usually has to do with information. It's specific meaning depends on its context. For example:to find or search for something through investigation — often the origin of something:
"The police traced the call." — found out where it originated
"We are tracing the lost luggage" — searching for
"Can you trace the problem to its source?" — find through investigation
"She traced her family history to discover that her great-grandmother came to the United States from Lithuania when the Nazis occupied it." — discovered something through investigation
to research or report on the development of something
"She traced the history of the automobile in her paper." — researched the development of something
"Her presentation traced recent progress in alternative energy solutions." — reported on
to monitor or keep track of the progress or development of something
"She traces the progress of at-risk students." — monitors information
"I used binoculars to trace her progress up the mountain." — monitor, follow, or track
But that doesn't prevent me from feeling the sharp stab of pain as the needle inserts the metal tracking device deep under the skin on the inside of my forearm. Now the Gamemakers will always be able to trace my whereabouts in the arena.
trace = find or follow
There are no more uses of "trace" flagged with this meaning in The Hunger Games.