Meaning
A Unicode code point is a numbered element in the Unicode system; it is not always the same as a visible character or grapheme.
A practical example
An emoji with a modifier or a combining accent can involve more than one code point, affecting a simple caption character count.
What to check
State the counting rule when reporting reading speed. Different counters can disagree without either having counted the same unit incorrectly.
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Continue with the video glossary or a workflow guide.