It is called a column. There is no other official special name.
The intersection of row and column is called a cell.
cells
That can be called a table.
A worksheet cell with a numeric value is called a data point.
It is called a spreadsheet or a worksheet.
The letters in the heading above a worksheet grid are called column names.
Yes, when data is changed in worksheet, sparklines automatically update. There are three types of sparklines: line, column and win/loss.
If this question is referring to adding (inserting) a column of data into a worksheet, it may cause unexpected results if the column was inserted withing a range being used to generate some kind of result. If this question is referring to adding (finding the sum) of a column including both numbers and text data, then the results could be unpredictable if some of the data appeared to be numbers when it actually was formatted as text. If this does not answer your question, please rephrase and post a new question.
how do you keep the title and column labels of a worksheet on the screen no matter where the worksheet is scrolled
The Wrap Text option.
It depends on what you are trying to do. Here are some ways you can show specific data:Delete the data you do not want to show.Hide the row or column of data you do not want to show.Change the font color to the same color of the cell background (usually white).Put your calculations and data on one worksheet and display the results on another worksheet. You then can hide the worksheet you do not want anyone to see.
worksheet