Senses
沿 along
To follow a path or line; used to indicate following a route such as a river, road, or coast.
沿 edge; border
The border, brink, or edge of an object such as a bed, table, or body of water
沿 to continue
To carry on or follow an existing pattern, tradition, or custom from the past.
沿 to trim
To sew a border or edge onto a garment or fabric with braid, tape, or lace.
沿 to go downstream
(literary) To sail or travel down a river or with the current