Homonym: secondary (Subordinate)
The term "secondary" refers to something that is not primary or first in importance or order. In various contexts, it can describe a level of education, such as secondary education, which typically includes middle and high school. This stage follows primary education and prepares students for higher education or vocational training.
In other fields, "secondary" can denote a supporting role or a second layer of information. For example, in research, secondary sources are documents that analyze or interpret primary data, such as articles or reviews. This distinction helps in understanding the hierarchy of information and its relevance.