👉 In the context of computer programming, a "typifier" is a type-checker that checks for errors in the types or data structures being used within a program. Typifiers are designed to catch and report incorrect data types, such as floating-point numbers, complex variables, etc., which can lead to bugs and other issues in the code. Typifiers typically have three main components: a data structure analyzer (DSA), an error checker (EC), and a type checking engine (TCE).