modeling

Short definition from Wiktionary

Verb

1. 1
   present participle and gerund of model

Noun

1. 1
   The art of sculpting models from clay etc. to create a representation of something.
2. 2
   The representation of depth in a two-dimensional image.
3. 3
   The profession of someone who models clothes.
4. 4
   The construction and use of a computer model of a physical system.
5. 5
   The learning of a new skill by copying other people.