acronyms. what do they mean?

s c y = short course yards l c y = long yards B L B = bilateral breathing side breathing = turn head to side to breathe on butterfly L S D = long shore drive in Chicago please add more from others.

s c y = short course yards l c y = long yards B L B = bilateral breathing side breathing = turn head to side to breathe on butterfly L S D = long shore drive in Chicago please add more from others.