Hy! This is what I'm trying to do : i want to draw some polylines in autocad and atach them some data like (id,area,owner) to display them later.I don't know how to do this.Plese help me.Thank you.

If you draw parcels, AutoCAD Map is the right tool for you. This is one of its standard functions.
In plain AutoCAD you can use e.g. dbConnect or ID points with attributes.