Commercial property in Singapore are typically leasehold e.g. 30-, 60-, 99-, or 999-year lease. Freehold commercial property command a premium and are mostly in suburb areas. For residential property, they usually come with at least 99 year lease.
Retail and industrial are both considered ‘commercial real estate’ (as opposed to ‘residential real estate’). Commercial real estate refers to buildings or land intended to generate profit; industrial and retail are simply sub-categories of commercial real estate.