Unique visit - Refers to unique visitors to the site as based on IP address. A visitor may visit multiple pages (pageviews) or come to your website more than once.
Unique visitor - A user who visits a site at least once within the reporting period (e.g. monthly reporting period). Each visitor to the site is only counted once during the reporting period, so if the same IP address accesses the site many times, it still only counts as one visitor. In the report, you will see the total number of unique visitors for a specific reporting period.
Visits by Keyword - This refers to how visitors came to your website by using the keywords/search terms listed in this section.
Visits by Traffic Type - This refers to how your website visitors came to your website. Organic refers to visits coming from search engine results. Referral is a visit originating from another website referring your website. Direct is a visit coming from users who would directly type in your website address into their browsers. Paid are visits resulting from pay-per-click campaigns or advertisements.
Landing page - the web page that first appears when a user clicks on a search result.