An abbreviation commonly standing for 'Control' in computing contexts, or 'Cytotoxic T Lymphocytes' in immunology. The meaning depends heavily on context.
As an abbreviation, it represents various phrases but most commonly 'control'. Abbreviations like this emerged with computing and scientific fields where brevity became essential for technical communication.
CTL demonstrates how modern technical fields create their own linguistic shortcuts - the same three letters can mean computer control keys or immune system cells, showing how context determines meaning!
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