front right; right front
Refers to the area or direction that is both in front and to the right. Often used in spatial descriptions, seating arrangements, or when giving relative positions.
彼は私の右前に座った。
He sat down in front of me on the right.
右前
The seat in the front right is still empty.
right side under clothing
Specifically used for the right side of a garment that is worn underneath another layer, or the right underlayer itself. Common in contexts of traditional Japanese clothing or layering.
着物の右前を整える。
Adjust the right underlayer of the kimono.
左前 describes a kimono folded right over left (a bad omen, used for the dead) or a financial downturn, while 右前 is the normal, correct way to wear a kimono and by extension a favorable financial situation.
Compound of 右 (right) and 前 (front). The clothing sense derives from the spatial meaning, referring to the right side of a front undergarment.