How do I make theses into a relationship? There should be a 1 on one side and the infinity symbol on the other connecting primary and foreign key. Every table must be connected with at least one other table

\begin{tabular}{|l|} \hline Class_Sections \\ \hline CRN \\ Course_ID \\ CRN_Term \\ Days \\ Time \\ \hline \end{tabular} \begin{tabular}{|l|} \hline \multicolumn{1}{|c|}{ Courses } \\ \hline Vourse_ID \\ Course_Title \\ Course_Description \\ Course_Credits \\ \hline \end{tabular} \begin{tabular}{|l|} \multicolumn{1}{|c|}{ Enrollments } \\ \hline 9 Enrollment_ID \\ Student_ID \\ CRN \\ Grade \\ \hline \end{tabular} \begin{tabular}{|c|} \hline Students \\ \hline Student_ID \\ Student_FName \\ Student_LName \\ \hline \end{tabular} \begin{tabular}{|c|} \hline Terms \\ \hline rm_Code \\ Term_Description \\ \hline \end{tabular}