Suppose that your job is an academic, then you may need to: 1. perform the research, 2. apply for a research grant.
The tasks of the first kind contribute directly to your becoming a better researcher. The tasks of the second kind have to be performed otherwise you will not have funding to conduct the research, however, applying for a grant does not make you a better researcher, hence acts more like a distraction than as a relevant part of your research.
What are the names for the first and second kinds of activities? I thought of words: 1. main, 2. support. However, these two words are only a bare extraction of the meaning to be expressed, moreover their meaning may be even misleading in the context I descri