Fruits that have a central seed containing core surrounded by a thick layer of flesh are classified as drupes.

Here's why:

* Drupes are fruits with a single seed enclosed by a hard pit (the "stone" or "core"). This pit is surrounded by a fleshy layer (the "flesh" or "pulp").

Some common examples of drupes include:

* Peaches

* Plums

* Cherries

* Apricots

* Mangoes

* Olives

* Coconuts