Juxtaposing normal and math characters.
▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
T
████████████████████████████████████████████████████████████████
T
▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
Showing characters that rise completely above the baseline, or fall completely below it.
Unified expressions (top) vs. disjoint, separately-delimited characters (bottom).
▄▄▄▄▄▄▄▄▄▄▄
███████████
▀▀▀▀▀▀▀▀▀▀▀
▄▄▄▄▄▄▄▄▄▄▄
███████████
▀▀▀▀▀▀▀▀▀▀▀
▄▄▄▄▄▄▄▄▄▄▄
███████████
▀▀▀▀▀▀▀▀▀▀▀
▄▄▄▄▄▄▄▄▄▄▄
███████████
▀▀▀▀▀▀▀▀▀▀▀
Using in-line delimiters (top) vs. block delimiters (bottom).
▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
Consider
█████████████████████████████████████████
Consider
▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀