Classification of finds that finds are whether tools or weapons or ornaments or both or something meant for ritual use.
An understanding of the function of an artifact is often shaped by it resemblance with present day things. Beads, pots are obvious examples.
Archaeologists reconstruct religious beliefs and practices by examining seals, some of which seen to depict ritual scenes.
Archaeologists often move from known to unknown that is from present to past regarding the reconstruction of religious practices.
Remains of crops or pits are studied to identify food.
By observing the different layers of sites they try to find out different things for the information of Socio-economic conditions, religious and cultural life of past people.
Archaeologists also try to identify the function of an artefact by investigating the context in which it was found.
Use of indirect evidence eg. for clothing they depend on indirect evidence like description in sculpture.