Using the term "terror" ( using force at a random place, at a random time against random people) is probably also depending on the media or country. Here in Holland, recently on a random day at a random highway-bridge, passing cars were being fired at... No Duitch media called it "terrorisme", but for me it is definitely so. The reason may also have been, that in this case no travellers were wounded or killed. But next time with heavier weapons, that might happen.
U.S. says working on initiative to de-escalate Syria fighting, with focus on Aleppo (Reuters)
from the article: Seven killed in series of terrorist attacks in southern Israel