tervezésben
Tervezésben is a Hungarian noun phrase formed from tervezés (design, planning) plus the inessive suffix -ben, meaning "in design" or "in planning." It denotes that something occurs within the design process or during the planning phase. The form is a grammatical construction rather than a distinct concept, and it is used in many fields where design and planning are central, such as architecture, product development, and software engineering.
Tervezésben has a functional role in indicating location or state in a sentence. It appears in phrases
In practice, tervezésben is used to frame discussions around the early, planning-oriented stages of a project.