At my first job this was very common. Usually it was more related to schema design and class hierarchies. But there were always white boards full of diagrams of

At my first job this was very common. Usually it was more related to schema design and class hierarchies. But there were always white boards full of diagrams of whatever we worked on. We had folders full of digital photos of white boards as reference material. I'll never forget how excited the lead dev was one day when he got some markers that would automatically make a digital file from whatever he drew on the white board.