In this question, the answer is option "A" which is the library. The term library stands in programming language for library made available across implementations of a programming language. In the programming section library is a collection of pre-compiled modules that a program can use and modules are stored in object format. We can reuse these modules in our program. So the answer to this question is the library.
the reason HTML seems to work even if it has syntax errors is due to browser having built in ways to parse the code meaning it will still show but most likely look way different then you would want.
It is true that to <span>draw a clustered cylinder chart, first select the data to be charted and then click the column button (insert tab | charts group).</span>
