Positioned
Layout the child at a particular position
| Name | Description | 
|---|---|
| component | positioned | 
| left | double value in pixel on how far from the left side of the screen should we placed the child | 
| right | same as left but starting from right | 
| top | same as left but starting from the top | 
| bottom | same as top but starting from the bottom | 
| child | a child tile to be positioned |