This was true way back when people were trying frame-based programming, 4GL's, etc. The same general components could often get the job done. So, the tools made that easy to express along with code generators to turn them into 3GL code (eg C, COBOL) specialized for the task. Both vendors and businesses developed an assortment of reusable components that became a selling point in time saving.

Repeated again in past 10 years with OOP, SOA, micro-services, and so on. Applies to configurations and admin scripts, too, not just code.