What are work packages and WBS dictionary?

Good information about the Work Packages as the Lowest level of the Work Breakdown Structures. Thank and appreciating for your invitation and information.

Thanks 

Appreciate your kind information 

Apprciate positive approach ----------------------

thanks for the information

With greetings and appreciation

Great information, thanks for the invite 

Thanks for the invitation. Well explained.

Thanks for your kind approach.

Good but there still is more to it & thanks for the invite.