1-3

the Master of the day of judgment.

“But at the same time He warns that while He is Protectively Forgiving and Merciful, He is also severe in requiting evil. Ch. 5. Vs. 98. These Attributes of His are not only exhibited here but will also be exhibited in the life after death, He being the Master of the day of judgement. On this day we will be called by Him to give an account of all our beliefs and actions. Those who were obedient to Him will be sent to paradise and the sinners will be sent to hell. Our reward or punishment will be based on our record of deeds which may be our memory. This is hinted through Vs.nos.13 and 14 of Ch. 17.
“And We have made every man’s fate (or action) to cling to his neck and We will bring out for him on the day of resurrection, a book (or a record) which he will find wide open. (It will be said to him), ‘Read your book (or record), this day your own self is sufficient against you as one who takes account”.
Can we stop our intentions, thoughts, plans, deeds whether good or bad, even our dreams from being recorded on our memory? We can most of the time recollect events from our memory which appears to be a sort of a permanent record of our life. Items recorded on floppies, cassettes etc. can be viewed on screens even years after their having been recorded. On the day of judgement, our memory too could possibly be displayed on some screen exhibiting all the details of our lives, private and public, Allah is All Powerful to do this and if He does this we would be utterly helpless to deny our own memory. So should we not be careful of our own memory and obey all the orders of Allah (SWT) and His messenger (PBH) and avoid all sins?”

1-4

You alone do we serve {4} and (from) You alone do

“‘Ab’d means a slave, therefore our relationship with Allah is that of slaves with their master but with the difference that we are to obey all His orders willingly and we are not to be governed by any unpleasant feeling of compulsion as indicated in the following verses of the Quran.
‘…and whoever does good willingly, then Allah is certainly One Who acknowledges, the Knower’ Ch. 2 Vs. 158. ‘There is no compulsion in religion.’ Ch.2 Vs. 256. The slave who willingly serves his master seeks only his help, we too as slaves of Allah (SWT) should seek only His help, because in fact, no other person can help us or anyone else.
“Say: Do you serve besides Allah (SWT) something which has no power, to harm or benefit you, while Allah (SWT) is Hearing, Knowing?” Ch.5. Vs 76.
Seeking help from others, amounts to shrik i.e. polytheism (Ch.36 Vs.74–75) about which it is clearly laid down in the Quran.
‘Allah certainly does not forgive associating of partners with Him and He protectively forgives (any sin) other than that, to whom He wills; and one who associates partners with Allah (SWT) has indeed erred, going far astray Ch. 4 Vs. 116.
The terms Nabudu and Nastaiin indicate Aorist tense i.e. both present and future. When we recite this verse we are not only mentioning our present state but also making a commitment that in future too we will serve (worship) only Him and seek only His help because He is our only Fosterer, our Benefactor, One Who is Merciful to us and Who is our Master. If the ‘waw’, connecting Nabudu and Nastaiin is taken as explanatory then seeking Allah’s help will also be regarded as serving or worshipping Allah: ”

1-7

not (the path of those), upon whom is Your anger, nor of those who are astray.

“We also have to seek His help for saving us from following the path of those who earn His anger and those who go astray from the straight path leading to paradise i.e. the path of hell. Here too if ‘waw’ connecting Magzubi and Azzaaliin is taken as explanatory then those who earn Allah’s (SWT) anger are those who are astray from the right path.
Summary
This Sura appears to be an abstract or summary of the rest of the Quran, probably in this sense it is stated:
‘And We have given you seven of the frequently repeated (verses or subjects of chapter No.1) and the great Quran’ ch.15 vs.87.
Vs.No.1 to 3 appear to summarise the details given in the rest of the Quran about Allah (SWT), His Attributes, His creation and the day of judgement,
Vs.No 4. appears to be the title of the details given regarding serving Allah (SWT) i.e. obeying all His orders and the manner in which His help is to be sought. Finally
Vs.Nos.5 to 7 appear to be an abstract of the histories of messengers of Allah (SWT) sent to various human communities and information of the result of their messages, that those whom Allah (SWT) favoured followed His message and those who rejected the message earned His anger and went far astray from the straight path leading to paradise. This indicates that the Quran summarily contains the following topics.
1. Allah and His Attributes
2. His creation (the universe)
3. Legislation for human conduct.
4. Histories of messengers of Allah (SWT) and the communities to whom they were sent and
5. Details of the day of judgment, paradise and hell. Recitation of this Sura in every Salat is essential.”