A tourist visa is intended for travellers who wish to visit Indonesia for personal leisure. One such visa is typically a single entry visa, meaning that eventual re-entry into Indonesia will require another visa application even if re-entry occurs during the period in which the visa is valid.
In many cases, applying for a visa via the embassy is not necessary if you are travelling for tourism. However, make sure you satisfy all the requirements to travel to Indonesia. Use this guide to find out what you need to do.