The seven-pointed star in the lower left quarter of the Australian flag is known as the Commonwealth Star, or the Federation Star. Six of the star's points represent the six original states of the Commonwealth of Australia, while the seventh point represents the territories and/or any future states.
The top left hand corner is the location of the union jack
The Australian flag has a representation of the Southern Cross constellation, or Crux, on the right hand side. The star in the upper right corner is called Gacrux.
The Australian flag does not have red stripes. In the top right hand corner of the Australian flag is the Union Jack, the original flag of Britain, the country that colonised Australia. The Southern Cross, positioned on the right hand side of the flag, is a constellation visible from all of Australia's states and territories, and which was vital to early ships' navigation. In the bottom left hand corner is the Federation Star, a seven pointed star which represents the six colonies, with one point to represent Australia's many territories (mainland and offshore).
The Union Flag of the United Kingdom is in the top right hand corner of the flag of Australia
If you refer to the Blue, Red and White design on the upper left of the Australian flag, it is the Union Jack indicating Australia's heritage.
The Union Jack (Union Flag) is in the upper left-hand corner of the Australia flag. "The Union Jack itself is a composite flag symbolizing the union of the historical components of the United Kingdom. It is composed of intersecting and overlayed red and white vertical and diagonal crosses on blue and white background." Source: http://www.anbg.gov.au/oz/flag-union.html
The Australian National Flag today has a blue background: the Union Jack, the Commonwealth Star and the Southern Cross. The Union Jack in the upper left corner (or canton) acknowledges Australia's origin as a British settlement. The Southern Cross, positioned on the right hand side of the flag, is a constellation visible from all of Australia's states and territories, and which was vital to early ships' navigation. In the bottom left hand corner is the Federation Star, also known as the Commonwealth Star, a seven pointed star which represents the union of the six colonies at federation. There is a seventh point to represent Australia's many territories (mainland and offshore).
The three main symbols of the Australian flag are the Union Jack, the Southern Cross and the Federation Star. The Union Jack in the upper left corner (or canton) acknowledges Australia's origin as a British settlement. The Southern Cross, positioned on the right hand side of the flag, is a constellation visible from all of Australia's states and territories, and which was vital to early ships' navigation. In the bottom left hand corner is the Federation Star, also known as the Commonwealth Star, a seven pointed star which represents the union of the six colonies at federation. There is a seventh point to represent Australia's many territories (mainland and offshore).
The Australian National Flag is comprised of several symbols that represent Australia and its British heritage. The Union Jack in the upper left corner (or canton) acknowledges Australia's origin as a British settlement. The Southern Cross, positioned on the right hand side of the flag, is a constellation visible from all of Australia's states and territories, and which was vital to early ships' navigation, and which represents Australia's position in the Southern Hemisphere. In the bottom left hand corner is the Federation Star, also known as the Commonwealth Star, a seven pointed star which represents the union of the six colonies at federation. There is a seventh point to represent Australia's many territories (mainland and offshore). The Australian National Flag, a defaced British blue ensign, was first flown in Canberra in 1901.
The Union Jack.
Perhaps you are thinking of the flag of Panama, which has a white square in the upper left-hand corner with a blue star in the middle, a red square in the upper right-hand corner, a blue square in the lower left-hand corner, and a white square with a red star in the middle in the lower right-hand corner.
The Venezuelan flag has an optional coat of arms in the upper left hand corner on which is a white horse.