SEO stands for Search Engine Optimization, which is the practice of increasing the quantity and quality of traffic to your website through organic search engine results. Optimized pages allow better indexing by search engines and ultimately rank higher when you search something on Google or any other search engine.
Clean arguments for URL
To create slugs / clean URL parameters, use the Text_Normalize client action
Set your screen metadata
Use the client action Metadata_AddToPage in the screens in which you want to include metadata, and fill in the data accordingly.