Skill 3: Understanding Function and Change Over Time

Most historical sites were not built for one purpose and then frozen. They changed — buildings were added, functions shifted, and structures were adapted for new needs. Part of reading a site is tracking how it evolved.

Identifying Function from Physical Evidence

• Within a castle: The great hall (communal eating and governance), the chapel (religious obligation), the kitchen (large fireplace, evidence of food preparation), the great tower/keep (last refuge and symbol of authority), the dungeon (lower level, restricted access, small openings), the garrison (barracks and stabling).
• Within a cathedral: The nave (where the public stood or sat), the chancel (clergy area), the high altar (focus of worship), side chapels (paid for by wealthy patrons — often bearing their coats of arms), the cloister (monastic community life), the chapter house (community governance).
• Within a mill: Mill race (water channel), millstones, grinding machinery, storage for grain, the miller's house, loading bay. The scale of machinery and volume of storage indicates production levels.

Change Over Time

Many sites began with one function and were later adapted. A medieval castle might become a comfortable country house in the Tudor period, then a tourist attraction in the 20th century. Each phase of use leaves physical traces — new windows cut through old walls, later extensions in different building styles, rooms converted and repurposed. Reading these traces is what historians call interpreting the palimpsest — a text that has been written on, partially erased, and rewritten multiple times, so that traces of earlier writing show through.