Throughout SME you have tabs with columns of information as shown in the image below. You can arrange the columns in the order you want, remove columns from the grid, and resize the column.
The way you set up your grid is saved for you. Other SME users can setup their grids that makes sense to them.
Quick way to re-order columns
Remove columns from grid
Resize column width
To resize a column, click your cursor between two columns. Your cursor will turn to crosshairs. Hold down your click and drag the column to the desired width. Release your click.