I need good and briefly explaination of those questions here:

Language c++

Questions about either array lists or linked lists: _Briefly explain the data structure of the list. _How are the items in the list stored? _Write a sketch of the method append on the board. _Name some attributes that should be private. _Name some attributes that should be public. _What are the advantages of this type of list? _What is the downside of this type of list? _How did you go about testing the list?