Process of Devotional Service: Kirtanam or Chanting

Q. It is said that chanting means to request Radharani for Krishna's service. On the other hand it is also said that out of all the services chanting 16 rounds is most important. So is this definition of chanting complete or do you think that there should be some other definition of chanting?

Q. In the Introduction to The Nectar of Devotion we find the following statement from Srila Prabhupada: "Described in the Srimad-Bhagavatam are nine different processes, besides which everything done is unfavorable to Krishna consciousness. Thus, one should always be guarding against falldowns."
What is/are the form(s) of devotional service that we can directly connect to our occupational duties, specifically in a workplace outside the home?