Of the four goals of behavioral science, description of behavior involves:

Of the four goals of behavioral science, description of behavior involves careful observation of things that are observable such as eye gaze and running speed.
If you want to describe what somebody is behaving like, obviously you first need to observe them exhibit such behavior. Then, you have to carefully watch what they are doing, and describe thoroughly the way they behave, the things that you can observe externally. 

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.

Ibelieve appendix i maybe wrong