It means Allah (God in English) is the one and only one God with no partner, no son, no father, no companion, and no associate. Quran, Muslims holy book that reflects real god words revelation to prophet Muhammad (PBUH) says:
Meaning English translation:
بسم الله الرØمن الرØيم
{Say, "He is Allah, [who is] One, (1) Allah, the Eternal Refuge. (2) He neither begets nor is born, (3) Nor is there to Him any equivalent." (4)}
[Quran, surat Al-Ikhlas, chapter 112]
national unity brings progress in a nation
Russian National Unity was created in 1990.
Union of National Unity was created in 1833.
Camp of National Unity was created in 1937.
National Unity - Peru - was created in 2000.
Committee of National Unity was created in 1977.
Front of National Unity was created in 1952.
Front of National Unity ended in 1983.
National Unity of Hope was created in 2002.
national unity
One who advocates national unity and independence; one of a party favoring Irish independence.
unity of the nation.........