纵向

Traditional form:

縱向

Pinyin (reading):

zòngxiàng

Definitions:

• longitudinal
• vertical

Characters:

• 纵 - to indulge in, to give free reign to
• 向 - towards; direction, trend

Traditional characters:

• 縱 - to indulge in, to give free reign to
• 向 - towards; direction, trend