Visit can be occurred in many ways as mentioned on the below article while Entries can occur only once per visit.
Entries: same as instances or occurrences, how many times the specified page is the entry page for a visit.
Visits: how many visits was this page the entry page, this metric should equal entries.
Exits: Number of times an Exit occurred where the Entry page was the one specified. If you want to see the number of times the entry page was also the exit page, use the Bounces metric instead of exits.
Adobe definition was given on adobe marketing page. refer those for your more clarification.