Tags descriptions
single:
Images depicting only one character.
No one else should be visible in the picture.
tall image:
An image that has aspect ratio of less than 1:1 (height is bigger than width).
This tag is automatically added to images.
blush:
Pink or scarlet cheeks.
short hair:
Hair no longer than shoulder length.
highres:
High resolution images.
An image with this tag should be more than 1700 pixels wide and 700 pixels tall.
This tag is automatically added to images.
shirt:
This term has two meaning. In American English, a catch-all term for a broad variety of upper-body garments and undergarments. In British English, a shirt is more specifically a garment with a collar, sleeves with cuffs, and a full vertical opening with buttons or snaps (North Americans would call that a "dress shirt", a specific type of "collared shirt").
Here shirt is used in british meaning!