Understanding settings.xml

<config>
	<general>
		<lang>en</lang>
		<loadscreen>map</loadscreen>
		<showClockScreen>yes</showClockScreen>
		<showControls>yes</showControls>
		<multilang>yes</multilang>
		<ex_img>no</ex_img>
		<ex_txt hideInterval="0">no</ex_txt>
		<copyright>yes</copyright>
		</general>
	<mapPage>
		<timeformat>12</timeformat>
		<showSeconds>yes</showSeconds>
		<startCityId>136</startCityId>
		<landColor>82bdf4</landColor>
		<oceanColor>336dbc</oceanColor>
		<cityColor>ffc000</cityColor>
		<mapClockColor>201b61</mapClockColor>
		<mapClockDigitsColor>FFFFFF</mapClockDigitsColor>
		<cityURLColor>ffc000</cityURLColor>
		<showGradient>yes</showGradient>
		<gradientType>dark_center</gradientType>
		<showTimezoneGrid>yes</showTimezoneGrid>
		<showNightShadow>yes</showNightShadow>
		<boundariesTransparency>25</boundariesTransparency>
		<showTimezonesNames>yes</showTimezonesNames>
		<highlightTimezones>no</highlightTimezones>
		<showMapClock x="5" y="405">yes</showMapClock>
		<showCityTimeOnRollover>yes</showCityTimeOnRollover>
		<mapClockMove>yes</mapClockMove>
        <citiesToDisplay>196,21,541,124,194,232,222,209,595,268</citiesToDisplay>
		<mainCities displayTimeOnMap="no">
			<city align="TL">248</city>
			<city align="B">136</city>
			<city align="R">179</city>
		</mainCities>
		<paddingLeft>0</paddingLeft>
		<paddingRight>0</paddingRight>
		<paddingTop>0</paddingTop>
		<paddingBottom>0</paddingBottom>
	</mapPage>
	<clocksPage>
		<backgroundColor>000066</backgroundColor>
		<clockType>analog</clockType>
		<timeformat>24</timeformat>
		<showSeconds>yes</showSeconds>
		<cities>
			<city color="FF0000">179</city>
			<city color="00FF00">136</city>
			<city color="FFFF00">248</city>
		</cities>
		<alarm useAlarm="no">
			<city>136</city>
			<hour>08</hour>
			<minute>00</minute>
		</alarm>
</config>