Answer:
A block diagram is a diagram of a system in which the principal parts or functions are represented by blocks connected by lines that show the relationships of the blocks. They are heavily used in engineering in hardware design, electronic design, software design, and process flow diagrams.
Explanation:
In your question you asked architure but maybe it is architecture (•;
Answer:
Taskbar or they are pinned to desktop
Explanation:
In some aspects, yes but these have recently been outweighed with the ad boycott youtube has not to mention google plus wasn't the most popular, to begin with, but in an overall sense yes as the name google is more often used than Facebook or twitter