Manual communication is employed in sign languages and in systems that are codes for oral languages (see Manually Coded Language).
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: Manual communication is employed in sign languages and in systems that are codes for oral languages (see Manually Coded Language). ### Response: .