Key count refers to the total number of distinct text segments or phrases within a piece of content or software application that require translation.
The key count is an essential metric in translation and localization projects, as it helps estimate the scope of work, required resources, and project costs.
Each key typically represents a unique text entry, such as a label, message, or user interface element, that needs to be localized.
Find out more about the concept of source keys in a more detailed explanation.