A Targi is a male member of the Tuareg people, who live in the Sahara desert. As tribe leader, you will be trading dates, salt, and pepper to obtain coveted gold coins and advantages.
In the game, the desert is a represented by a five-by-five grid of cards composed of a constant border surrounding a selection of 9 variable cards in the centre. Players take turns positioning their Targi figures on the border cards. Where you place your Targi is key as you're then able to carry out the actions of the card your standing on once both players have distributed all of their meeples.
At the end of the round, each player also has the opportunity to collect the centre cards at the crossroads between their border meeples. These cards are an assortment of Goods cards and Tribe cards. The former can be used for trading, and the latter for victory points at the end of the game and special abilities which can be used throughout. In the next round, a completely different set of offerings will be on the table.
You can win only if you plan shrewdly and always keep some gold in your pocket.