There are those who like very precise paintings, lots of detail, everything drawn with the brush to resemble as closely as possible realistic forms. I don't do a lot of that - there may be a fair amount of detail, sometimes too much: but it's more in the nature of random brush strokes than very careful drawing. This is because the paper I use for watercolour is invariably either Rough or NOT (cold-pressed) - if you're after fine detail and limpid washes, the paper to use is Hot Pressed: a smooth paper, with little texture. I admire paintings like that, but have no desire to paint them myself.
Anyway: these are both around 10 by 7 inches, on 140lb paper (The Langton NOT).