Those verses in Luke are compared with Matt. 26:26-28 and 36-44, which are about the Second Coming. This post also looks at Luke 21:34-36 and Mark 13:32-37, which are also about the Second Coming.
By far, Luke 21:5-33 clearly demonstrate that these verses, which parallel Matt. 24:4-35 and Mark 13:5-31, are an extended prediction of the destruction of Jerusalem and the temple, and not the Second Coming. It is best to read those verses in their own context and in light of Old Testament apocalyptic passages. Then we can have clarity. Please view the photos of the Arch of Titus and the Jewish Menorah, at the end.
Things are not so clear-cut as I had thought they were. Please be sure to check out my photos of the Arch of Titus at the end; they show rhe Romans stomped all over the Jerusalem temple.
It is the major technique of Jesus’s teaching, right up there with his direct teaching. So how do we define it?
Here is a list of the principal works referenced or used at this site. More will be added as time goes on, so please check back.
Dr. Jim's Essential Bible Teaching 