According to user story requirements:
1. Rename 'Search users' to 'Users'
2. Remove 'Product buy', 'My orders' and 'Order' items from admin menu
3. Rename 'Product buy' to 'Products'
4. Rename 'My order' 'Orders'
5. Rename 'Order' to 'Cart'
6. Rename 'Current orders' to 'Order'
7. Rename 'Region' to 'Regions'