A ‣ Distance: how far … 
British people buy most things in metres, centimetres and millimetres, but they still often talk about distance using the old system of miles [1 mile = about 1.6 kilometres], yards [1 yard = almost 1 metre], feet [1 foot = 30 centimetres], and inches [1 inch = 2.5 centimetres].

Common mistakes
It’s ten minutes’ walk from here. (NOT ten minutes’ walking.) It’s a long way. (NOT It’s far.) But we can say ‘No, it isn’t far.’
B ‣ Dimensions: how long or wide … 

Common mistakes
Mason is quite tall (NOT quite high). It’s a tall tree/building (NOT a high tree/building). It’s a high mountain (NOT a tall mountain).
We can ask about the dimensions like this:
What’s the length of the garage? OR How long is the garage?
It’s five metres (long).
What’s the width of the path? OR How wide is the path?
It’s a metre (wide).
What’s the height of the wall? OR How high is the wall?
It’s two metres (high).
What’s the depth of the pool? OR How deep is the pool?
It’s three metres (deep).
C ‣ Size: how big or small …
We use a range of adjectives to describe the size of something.
It was a very thick book – over 500 pages. (opp a thin book)
Their living room is huge [very big; syn enormous; opp a tiny room].
We caught a giant crab. [very large or bigger than other similar things]
It was a very narrow road for a bus. (opp a wide road)