What is the poetic meaning of these three ancient poems?

The meaning of "Three Ancient Poems" in the 21st lesson of the fourth grade volume is as follows:

The first poem: "Out of the Barrier" author (Tang Dynasty) Wang Changling.

Poetry: The old moon and border pass have continued since the Qin and Han Dynasties. The soldiers who have fought thousands of miles and defended the border against the enemy have not returned yet. If there were still generals as brave and capable as the flying generals, foreign enemies would never be allowed to cross the Yin Mountains southward.

The second song: "Liangzhou Ci" author (Tang Dynasty) Wang Han.

Poetry: The exquisite wine glass was filled with mellow wine. I was about to raise the glass and drink it, but I heard the sound of playing the pipa, urging me to set off. If you fall drunk on the battlefield, please don't laugh. How many people have gone out to fight since ancient times and returned?

The third song: "Summer Quatrains" (Song Dynasty) by Li Qingzhao.

Poetic meaning: You should be a hero among men when you are alive, and you should be a hero among ghosts after death. People still miss Xiang Yu today because he refused to live an ignoble existence and returned to Jiangdong.

The original text and title of "Three Ancient Poems":

The original text of "Out of the Fortress":

Wang Changling, the bright moon of the Qin Dynasty and the Han Dynasty, the people of the long march of thousands of miles have not yet returned. But the flying generals of Dragon City are here, and Hu Ma is not taught to cross the Yin Mountain. ——Wang Changling, "Out of the Fortress" (Tang Dynasty)

Title:

The poem "Out of the Fortress" reflects the poet's sympathy for the soldiers stationed on the border who have not returned from the long expedition, and also expresses the poet's I hope that the imperial court will appoint good generals and end the border wars as soon as possible so that the country can gain peace and the people can live a stable life.

Original text of "Liangzhou Ci":

The luminous cup of grape wine reminds me to drink pipa immediately. Don't laugh when you are lying drunk on the battlefield. How many people have fought in ancient times. ——"Liangzhou Ci" (Tang Dynasty) Wang Han

Title meaning:

"Liangzhou Ci" describes a feast before going out on the arduous and desolate frontier fortress. The scene of the soldiers drinking happily and getting drunk shows the broad-minded and unrestrained thoughts and feelings of the soldiers regardless of life and death.

Original text of "Summer Quatrains":

If you are a hero in life, you will be a hero in death. ?I still miss Xiang Yu and refuse to cross Jiangdong. ——"Summer Quatrains" (Song Dynasty) Li Qingzhao

Title:

The poem "Summer Quatrains" uses the past to satirize the present, and praises Xiang Yu's heroic spirit of being willing to die and not surrender, satirizing It describes the behavior of the rulers of the Southern Song Dynasty and shows the poet's patriotic feelings.