Subjectivity is a biased, selective, biased, devoid (or free from) objectivity attitude towards people, life and oneself.
Subjectivity of preferences
“Love is an unjustified preference for one woman over all others” — (Mark Twain) — a manifestation of subjectivism in relation. Some person may not be particularly liked by anyone, but you personally care about him. Nobody you know likes horseradish sandwiches, but for you this is the best sandwich. This is all our subjectivity, our personal preferences.
Subjectivity of perception
The subjectivity of perception is a feature of personal perception, the opposite of objectivity. The plus side is a personal view, a reflection of the uniqueness of the perception of each of us, his creative nature. The negative side is subjectivism: the perception of the situation, arbitrary to the point of arbitrariness, not supplemented by the views of other people, devoid of volume. “I see what I want. I rate as I please.»
Subjectivity is spoiled by objectivity, the inclusion of a third position of perception, subjectivism is treated in the same way.