By convention, the top side of a map is often north.

By convention, the right hand side of a map is east.

However, by constitutional convention they do not use this right.

By convention, the bottom side of a map is south.

But in England you get neither: you're ground down by convention.

Exactly who had a right to use arms, by law or social convention, varied to some degree between countries.

By convention, the District names schools for the road on which they are located.

By convention, these include all stars down to magnitude 1.4.

Most of the doors on the corridor were open, by convention.

By convention, the counter is with the team second row.