What is the difference in meaning between \'semantics\' and \'syntax\'? What are they?
Also, what\'s the difference between things like \"semantic website vs. normal we
If you are talking about web (rather than programming languages):
The syntax of the language is whatever the browser (or processing program) can legally recognize and handle, and render to you. For example, your browser can render HTML, while your API can parse XML trees.
Semantics involve what is actually being represented. There's a lot of buzz now about semantic webs and all that stuff, but it essentially means that each entity is also associated with some human-readable information or metadata, so that a certain tag would have a supposed meaning and refer you to it.
Social networks are the same story. You put knowledge in the links