Yes there is in fact. It's a small difference but one anyways. A search engine is just that it searches, and in the context you are talking about its a web search engine but the term "Search Engine" can apply to many other things. A Web portal is more like Yahoo. They offer mail, the weather, news, etc etc on the front page as well as a search Engine.
is a website "hit" a click that comes from a search engine? and a "visit" a click to a website that does not come from a search engine?
Yes, a search engine is a website.
If you can get lots of reciprocal back link on search engine of you website. than you get top ranking on search engine.
There is not really a diffrents between those because there the same thing
the beaucomp websites, website who have a topical search engine.
A crawler is the bot that crawls a site to rank it and or submit it into a search engine. A directory search engine is a website that has websites listed on it and allows you to search for what you are looking for inside of the directory.
Google developed a better search engine and took over the market. Yahoo had a golden opportunity but squandered it.
no
Wikipedia is an encyclopedia website
tobyMac's website is "tobymac.com" if you dont find it just search it in your search engine.
Search engine.