Google Analytics Key reports for Adwords (Time Lag for Remarketing & Conversion Channel)

Time Lag report (Infer: Remarketing Time window)

Time lag report (Conversions > Multi-Channel) helps to align the remarketing duration of the visitor. Based on this report, it is very easy to infer the Remarketing / Conversion conversion period of the visitor and to adjust the remarketing campaign duration accordingly

Top Conversion Channel (Infer: Impact of Paid Campaign Campaing in other channels)

Top Conversion Channels (Conversions > Multi-Channel) helps to determine how the Google Adwords visitors are converting using other channels. This help to understand the impact of paid campaign in other channels & wise-versa.