What do you mean by wall?

What do you mean by wall is asking definition of wall, which is vertical structure that encloses, divides, supports, or protects area, typically forming sides of building, room, or boundary, made from materials like brick, concrete, wood, or drywall. Wall means physical barrier that provides enclosure, privacy, security, and structural support, similar to side panels of storage container. For example, house walls enclose living space, interior walls divide rooms like bedroom and kitchen, exterior walls protect from weather, retaining walls hold back soil, and garden walls mark property boundary. Figuratively, wall means obstacle or barrier preventing progress or communication, like emotional wall between people or hitting wall in project meaning reaching limit. In sports, wall means defensive line blocking opponent. In computing, wall means firewall protecting network. So when asking what do you mean by wall, answer is wall means vertical building element that encloses or divides space, or metaphorical barrier blocking passage, with primary meaning being structural vertical element forming part of building or enclosure, providing support and separation.