Warning!
Not related to the stack when referring to (Computer) Memory Conceptually. This page’s contents refer more to how you operate on a list. They’re not a physical part of memory, more a level of abstraction that helps keep things efficient.
Stack:
Operating on a list in buffer Last In, First Out. This is kinda like working on a stack of vertical poker chips. Elements are only ever added, read or removed from the front (top) of the list
Implement them?
Basically, any implementation of lists can be restricted to operate as a stack.
Queue:
Conversely, elements added to the back (of the queue), then the ones at the front of the queue are read / removed from the front. First In, First Out.