Let us examine its evolution history to gain a solid understanding of its meaning （image get from http://www.vividict.com）:
|Learn one Chinese Character a day - 辵|
Oracle Script consists of (cross junction of a big road) and (foot). It means "walking on the road".
Seal Script simplified it with ( one side of a cross junction) and (foot).
Clerical Script and Regular Script further simplified them to our current way of writing and becomes a common radical. By adding to a Chinese character, that character will then contains the meaning of "walking".
We will see such a Chinese character "迁" in our next lesson.
Before that, it is time to enjoy a Chinese Calligraphy.