?List the advantages of working from a grid and the basic types of grid layouts.

What will be an ideal response?

?Working from a grid has several practical and aesthetical advantages, including the following:Grids add order to the presentation of page content, adding visual rhythm, which is pleasing to the eye.A consistent logical design gives readers the confidence to find the information they seek.New content can be easily placed within a grid in a way that is inconsistent with previously entered information.A well designed grid is more easily accessible for users with disabilities and special needs.Grids speed up the development process by establishing a systematic framework for the page layout.?There are two basic types of grid layouts: fixed grids and fluid grids.?In a fixed grid, the widths of the columns and margins are specified in pixels, where every column has a fixed position.?A fluid grid, in which column widths are expressed in percentages rather than pixels, is often used to provide more support across different devices.