Your Search history is saved to your Google Account as part of your Web & App Activity, along with activity from other Google services. Signed-out Search activity. Determines whether searches on google.com from this browser are used to help Google offer more relevant results and recommendations. Ad personalization. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.