坐 [zuò] - seat; to sit; to ride, to travel by
radical: 土 [tǔ]: earth
decomposition: ⿻从土 etymology: ideographic
hint: Two people 从 sitting on the ground 土 
Click on "Try it yourself" to draw the character 坐 on the grid above.
Integrated Chinese Vocabulary:
[zuò]: to sit (L5-1)
[zuò]: to travel by (L10-1)
坐火车 [zuò huǒchē]: travel by train (L10-3)
坐计程车 [zuò jìchéngchē]: take a taxi (L10-3)
坐电车 [zuò diànchē]: take a trolley (L10-3)
坐船 [zuòchuán]: travel by ship (L10-3)
Stroke Sequence:
Stroke order animation courtesy of Hanzi Writer.