Four Moving Averages & Bollinger Bands
You can select SMA or EMA, and besides, you can use Bollinger Bands optionally.
Fixed the code not to display the bb middle line when you don't use Bollinger Bands.
Add the short title "4MA & BB".
You can use Ichimoku Kumo optionally after this update.
Add "vwma" to moving average options.
You can use second type moving averages with the first ones at the same time. This function is optional.
Change some default values and styles of moving averages.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.