I have a longer, two piece one that's about 9' long for cutting lengthwise. 

When you stand back and look at the brick house it will appear all the bricks are laid down lengthwise and you notice the rectangular sides of the brick.

You just need a saw for the length wise cuts!

terms  ( length wise ) ?

You can tell those walls by looking easily mostly by if the walls have bricks that run length wise the whole way up (cavity wall) or if every so many rows, there looks to be a row that is made up of 'half bricks' ie the end of a brick. 

It's a gentle enough slope hill that we can use a garden tractor on to mow and go length wise so gradual grade. 

If you’re able to do a fourplex you bunch the kitchens and  bathrooms along the walls where they share lengthwise or horizontal.

You can cut the board lengthwise easy enough and use the height you require.

To my surprise, when I walk into the garage I see that it had been partitioned off in half length wise with cubicle style partitioning. 

There is not enough space on the side of the house to expand it to two car width wise, but there is space length wise to lengthen it and turn it into a two car tandem garage or add a carport in addition to the single car garage.