SharePoint Destination

Please refer the below link to create different graphical representation of list data shown as bar chart, pie chart and so many...   https://support.office.com/en-us/article/SharePoint-lists-VI-Exciting-ways-to-display-your-list-data-4f24f5a6-9a82-497e-8965-6b9f98e03a01  

One of my colleague had an issue when trying to add an app by applying the custom master page as System Master Page. Here is what I asked him to refer it, Resolution: The key to fixing this problem is to make sure your master page includes: DeltaPlaceHolderLeftNavBar , PlaceHolderLeftNavBar , DeltaPlaceHolderPageTitleInTitleArea , and PlaceHolderPageTitleInTitleArea and that each of them is not set to Visible=False Reference : http://sharepoint.stackexchange.com/questions/98252/i-cant-get-custom-master-page-to-add-new-apps

http://nikpatel.net/2012/06/08/wiki-pages-vs-web-part-pages-for-sharepoint-intranet-content-pages/

Please refer the below link for training videos, http://sharepoint-videos.com/video-categories/all-sample-videos/