What do the chart toolbar icons stand for in MT4 Android?

There are several icons on the chart toolbar in MT4 Android for the following applications:

The first icon is the “crosshair”,

This icon enables the clients to see more details on the target spot on the chart.

The next icon is for “Indicators”,

By pressing this  icon, a list of indicators appears:

This icon represents the “Objects”,
The clients can see all of the objects:

This icon represents the “Currency Pairs”,

The clients can see all the currency pair symbols:

And the last icon is for opening “New Orders”,

The page will be like this: