Something that is contained within a capsule. i.e., the antibiotic is contained in the capsule. Or, astronauts are contained in the space capsule. So encapsulation is the act of putting something...
Tourism is a common industry of foreign visitors coming to another country to see the sights. They spend money while visiting and thus assist the economy of the country they are visiting.
Internet is made up of millions upon millions of small computer networks all brought together to form the vast "Inter-Network". That word never caught on, so it was shortened to the much...