When comparing and contrasting, you should identify the similarities and differences between two or more items, ideas, or concepts. You can start by making a list of similarities and differences between the items, and then organizing them in a clear and logical way, such as in a Venn diagram or a table. It is important to provide specific examples and evidence to support your comparisons and contrasts. Additionally, you may want to consider the significance or implications of the similarities and differences you have identified.