"delivery of unit" and "problem solving"

"delivery of unit" and "problem solving"
This unit runs over 12 weeks and will be covered by interactive lectures,demonstrations and laboratory exercises.All fundamentals of this course are contained in the programmed text.Students will be encouraged to bring in problems from other areas and use the tutorial times as workshops for solving those problems.
2-hour lecture Friday 8:30
1-hour tutorial Friday 10:30
1-hour problem solving Friday 11:30
what are the two phrases meaning?