The three characters here originally had something to do with going.
行 Xíng 'all right'
This was originally footprints and is still 'go' in Japanese. In Chinese it means 'all right'.
In some words it is read háng e.g. 银行 yínháng 'bank'.
往 Wǎng 'towards'
Example: 往西拐 wǎng xī guǎi 'turn to the west'
街 Jiē 'street'
Example: 逛街 guàngjiē 'go shopping'