Keying in refers to typing or entering information into a device or system. Some synonyms for this phrase include inputting, punching in, logging, registering, encoding, and typing out. These terms can be used interchangeably depending on the context of the situation. For example, one may use the phrase "inputting data" in a technical setting, while "punching in information" may be used in a retail or service industry context. Additionally, synonyms such as encoding or registering may be used in computer programming or database management settings. Regardless of the synonym used, all refer to the act of entering information into a device or system.