V.14,17 The “great tribulation” commences in the middle of the 7 years (“D” on your chart) and goes on for 3½ years.
V.18 His loving care was so great that He even thought of the weather!
V.20, 22, 27 Wonderful to see that the Lord’s chosen ones, the “elect,” will be preserved through these hard days.
V.21-23 Many would claim to be the Messiah. The antichrist (the false Messiah) will appear on earth soon after we believers have been taken to be with the Lord. (See “C” on your chart).
V.24-37 These verses are more precisely referring to the “great tribulation.” (See chart).
V.37 But this surely applies to us today! Watch. For we certainly need to be very careful that we are not deceived by things which are being said these days.