Olfactory modality and Sense modality

Olfactory modality noun - The faculty that enables us to distinguish scents.

Sense modality and olfactory modality are semantically related. In some cases you can use "Sense modality" instead a noun phrase "Olfactory modality".

Sense modality noun - A particular sense.

Olfactory modality and sense modality are semantically related. Sometimes you can replace phrase "Olfactory modality" with "Sense modality", this phrases are similar.