WinCC Flexible 2008 Tag Count

Im new to WinCC Flex id like to know if there is some kind of way to know how many tag i have already used in my project?

im using a MP277 10 inch touch. i Have read that the tag limit is 2048 is that some kind of suggestion or its the maximum supported tag?

Does Structure count for only 1 Tag?

Does String Count for Only 1 Tag?

If you use array of one elementary type as bool, byte,....real, the array will count as one tag. Array of struct does not work so, unfortunately. Here is a related question.