Improving your voacb is vital to express more complex ideas. Watching german films, reading books or online newspapers such as: Die Welt or Frankfurter Allgemeine, can improve your vocabulary vastly.
Also many verbs in german are made up of simple facts put together - example: the word for slug is 'Nacktschnecke' which literally translate to Nakedsnail which essentially represents what a slug is in the simplest of terms.