You might see something like 2B/1b/1l residence, and wonder what the letters mean? Once I note the meaning, it would make a lot of sense. B is for Bedroom(s). b is for bathroom(s), and l is for lavatory. In the above example, the residence is a 2 Bedroom, 1 bath, and 1 lavatory residence. This is designed to reduce the need to spell everything out at one time. This coding is applicable to apartments and houses.