It is an exploration and application of the imagination in an active way*1 pointAppropriationImaginationSoul makingImprovisation

The phrase "It is an exploration and application of the imagination in an active way" relates to a concept that emphasizes creativity and the dynamic use of imagination. Among the options provided:

1. Appropriation typically refers to taking or using something for one's own purpose, usually in art or culture.
2. Imagination is the ability to form new ideas or concepts not present to the senses.
3. Soul making generally refers to the process of personal growth and development of the self, often through experiences and creativity.
4. Improvisation involves creating or performing spontaneously or without preparation, actively engaging with one's imagination.

Given the description of an active exploration and application of imagination, the most fitting term is Improvisation. This term captures the essence of actively engaging the imagination in creative expression.