Yes I am unable to memorize the Lok Geet Dhola because I cant understand what is actually written in them. So if anybody who could help me by translating them into urdu, I shall be really thankful. I am posting one of them

Wahwa rangla charkha o mian teriyan kharkan choriyan,
Jinhanday sajan tur gawadhun oh her dam rehndiyan dhorian,
Kidon bachdiyan jivain pakiyan khohan nu ghariyan utay jahnay suk angoriyan,
kisay mulkh tey jenda utna e taan paret muharaan nu,
A paye desan tey piyan hen chut majuriyan


P.S: I am using Punjab Rung by Faisal Hayat Jappa

This is a Seraiki Dhola. Jappa has given few Seraiki Dholas in his books along with various Punjabi Dholas. In my view one should skip Seraiki Dholas and go for only Punjabi Dholas as former may fall beyond the very scope of Punjabi.
Regards.

And also there is a long dhola for Sassi Punnu and at the end there are dholas with the heading Waaran...what I should do about them?? I cannot understand any dhola under the heading of Husan Ishq tey Majaaz

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We say unto it:Be. And it is (Quran 16:40)

Please somebody help me, what to do?

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We say unto it:Be. And it is (Quran 16:40)

Memorize definition, structure and one example (which you find easy to memorize) along with introduction and conclusion.

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We always see the point of an iceberg. I’ve always accepted the idea that people don’t necessarily know everything I am

After Introduction and background of Dhola you will be required to give 8 to 10 different kinds or genres of dhola as examples under separate headings. For that Choose at least 8 to 10 Dholas of different genres which you find easy to memorize, they would make enough for the question. For further understanding you can paste your selection here. I will try to elaborate them for you.
Regards.

lok geet are never asked seperately one by one rather collectively . Have you ever seen any question that examiner asked about one lok geet ?

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We always see the point of an iceberg. I’ve always accepted the idea that people don’t necessarily know everything I am

Yes they are asked separately as well. In 2012 the question was about The Lok Geet's Genre of "BOLI". Punjabi Di Lok Sinf BOLI Uttay Bharwa'n Chanan Pao Tay Misaala'n Deo.
In the same way in 2008 , 2007, 2006, 2004 , 2003 and 2001 the question was not about Lok Geet but about some of it's Genre ( Sinf) like 2008 Dhola
2007 BOLI
2006 Lori
2004 BOLI
2003 Dhola
Therefore , it is strongly advisable to prepare these genres of Lok Geet.

Besides this often there comes a note in last question of the second portion from these genres. It may sometimes happen that one is unable to answer a question from that portion. In that scenario often the Question containing the notes proves helpful. Therefore , one should necessarily prepare the genres of Lok Geet.

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Thanks Allah

There are Sufiya e karam de dholay, Islami rang, majaz husan, Ishq, Romanwi, Kaal tey Naard dey dholay, awami dastaanan dey dholay, rehtal, hikmat tey danish dey dholay, Maarfat tey tasawuf dey dholay, right?

Here is a piece from Marfat tey tasawuf dey dholay, I cannot understand it:

Phul wad'dhay ne lawanday ney jer,
Mommnan kiun wanna aen bhula kam neki da ker
Jhagra roh tey but da,
Munsif tera cherkhray tey gaye ni dher,
Mahal bechari turatna nu jehnday ne ler,
Cherkherya tun vi bhajna aen tey khichk jasen tere urr

Moreover in the end there are dholas with the heading Waaran, what is Waaran? and should I memorize them as well?

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We say unto it:Be. And it is (Quran 16:40)

You simply don't need to memorize all dholas. Let me explain.
Just memorize 1 or 2 Dholas for each of the headings you have mentioned above.
Like...
(1). Sufia Karam De Dholay.
Wangi 1, Dhola admi ban aya....
Wangi 2, Sab soorat wich disda Dhola mahi...
(2). Islami Rang
Wangi 1, Allah nu karan yaad hamesha.....
Wangi 2, (Potohari Style) Main aethe te mahi thal we...
(3). Ishq te Husn de Dholay
Wangi 1, Kanna nu bunde sar chattay ne kalay....
Wangi 2, Alif aa mian dhola bethe moti parowan....
Wangi 3, Asi aethe te dhola lehnde...
Wangi 4, Bazar Wakendi kakhri...
Wangi 5, Main tan pani bhareni aan chik da...
(4) Kaal te Narad de Dholay
Wangi 1, Kaal bulendi narad nasha peeta ae bhang da...
(5) Rittal Bittal
Wangi 1, Wele deegar de naarin pehn poshakan...
(6) Dholay wich Mahiay da rang
Wangi 1, Lokan de bhane kal turya...
(7) Hikmat de Danish de dholay
Wangi 1, Laggi dilan di ohay jande...
Wangi2, Beri qadir kandhe lani hundi ae...

That's it.
"Tassawuf" has been discussed in 1st heading so no need to put it again, similarly "Waran(Battles)" has been discussed in "Kaal te Narad de Dholay" so omit at end. Under these headings you are putting 14 dholas as examples, so that would be more than enough for the question.