Heterosensual describes the sensual attraction towards the opposite or dissimilar gender(s). This term is ideally to be used by those who are A-Spec, however anyone can use it if their sensual attraction differs from at least one other attraction felt.
The same/similar gender attraction equivalents are Lesbisensual and Vincisensual.
Flag
Bright purple represents sensual attraction, as it is a mixture of the purples on arya-fae's flag. Dark purple represents those who are acespec and dark green represents those who are arospec.