Xilinx recommends that you perform the basic FPGA tutorial provided under Tutorials in the umbrella online help system to become familiar with the concepts of design entry, design implementation, and design verification.
The Foundation Series Quick Start Guide 1.5 contains an in-depth Schematic-based tutorial that describes design entry, design implementation, and device programming in detail. For Base Express and Foundation Express users, an HDL-based version of the tutorial is also available.