phrase means it can have other words before or after it to make a longer search term - for example, if you've got 'banana' as a phrase match, your ad can also show for 'fresh banana', 'banana yellow' 'where can I buy a banana smoothie in Salisbury" broad is VERY broad - it means you can show for synonyms and related terms , e.g. 'yellow fruit' 'apples' 'something with a skin'