Individualised and One-on-one

Individualised adjective - Made for or directed or adjusted to a particular individual.

One-on-one and individualised are semantically related. In some cases you can use "One-on-one" instead an adjective "Individualised".

One-on-one adjective - Directly between two individuals.

Individualised and one-on-one are semantically related. Sometimes you can replace term "Individualised" with "One-on-one", this terms are similar.