Bitcoin blocks are a set of data that includes a list of valid transactions, a header, and a proof-of-work.
Blockchain technology is a generic term to describe methods of using chained blocks of data connected with some resource to reach consensus in an distributed system.
Bitcoin hash power is a number representing the how many times a piece of equipment and software can calculate a SHA256 hash in a given amount of time.
Defined perfectly the three asked terms.
Seen this terminology a lot, but don't know what it means. Anyone care to explain?
Since you are a newbie you cant get this all so quickly. You should know what is bitcoin, how to earn bitcoins, howmuch is the profit, what are the legit ways to earn bitcoins..
The rest of the questions need time to understand. Yoi should work on bitcoins earning at this stage you should know which wallet is better and which faucets can give you more satoshis. I dont want yo disheart you by anymeans but those are the questions which you will know the answers yourself when you go deeply in crypto world.