A locus is a path formed by a point which moves according to a rule. The plural is loci. The runner is following a path. This path is a locus. A flowerbed runs along the grass between A and B.

No need to go overboard – keep it short and sweet. The worst thing you can do in a LOCI is to come across as unprofessional or impatient. Don't beg to be reconsidered, don't ask when final ...

A locus is a path formed by a point which moves according to a rule. The plural is loci. The runner is following a path. This path is a locus. A flowerbed runs along the grass between A and B.