The term 'TECH' can be represented by three different crossword solutions: CAL (3 letters), ITT (3 letters), and SCI (3 letters). CAL stands for Computer-Aided Learning, which is a type of educational technology that uses computers to help students learn. ITT stands for Information Technology and Telecommunications, which is a field of study that focuses on the use of technology to store, transmit, and manipulate information. Finally, SCI stands for Science and Computing, which is an interdisciplinary field of study that combines elements of computer science, mathematics, and engineering.